On Wed, May 10, 2023 at 10:10:37AM -0500, Joel Sherrill wrote:
> > > What practices might the GCC community recommend to a project
> > > wanting to discover the issues uncovered and slowly address them? I
> >
> > -Werror=implicit-int
> > -Werror=implicit-function-declaration
> > -Werror=int-conversion
> >
>
> Thanks. We already use -Wall which is documented to turn on the top two
> as warnings at least.
>
> Is int-conversion turned on as part of any of the more general -W arguments
> (e.g. -Wall, -Wextra, -pedantic)? It's not listed in the manual and I was
> wondering
> if that was right or an oversight. Given this discussion, I would have
> expected it
> to be in -Wall.
-Wint-conversion is enabled by default. You get the warning whenever not
using -w or -Wno-int-conversion, and error with -pedantic-errors.
Jakub
